Exhibit 16

Multiple Choice

Exhibit 16.4 A researcher is attempting to determine the average annual expenditures per household on compact discs.Suppose $600 was considered the upper limit and $0 the lower limit.There are no past studies on which to base an estimate of s.
Refer to Exhibit 16.4.If the desired precision is +$25 and the desired confidence interval is 95%,what is the necessary sample size?

A) 240
B) 540
C) 92
D) 64
E) None of the above.